2145462655 has 24 divisors (see below), whose sum is σ = 3075865632. Its totient is φ = 1407198144.

The previous prime is 2145462647. The next prime is 2145462661. The reversal of 2145462655 is 5562645412.

It is a happy number.

It is not a de Polignac number, because 2145462655 - 2³ = 2145462647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39424 + ... + 76453.

It is an arithmetic number, because the mean of its divisors is an integer number (128161068).

Almost surely, 2^2145462655 is an apocalyptic number.

2145462655 is a deficient number, since it is larger than the sum of its proper divisors (930402977).

2145462655 is a wasteful number, since it uses less digits than its factorization.

2145462655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115935 (or 115912 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

The square root of 2145462655 is about 46319.1391867336. The cubic root of 2145462655 is about 1289.7543059111.

The spelling of 2145462655 in words is "two billion, one hundred forty-five million, four hundred sixty-two thousand, six hundred fifty-five".